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kifflom [539]
3 years ago
10

Please help me with this problem !!!!!!

Mathematics
1 answer:
iren [92.7K]3 years ago
7 0

Answer:

see explanation

Step-by-step explanation:

Given

s(t) = 10t²

To find s(2) and s(5) substitute t = 2 and t = 5 into f(t)

(a)

s(2) = 10 × 2² = 10 × 4 = 40

s(5) = 10 × 5² = 10 × 25 = 250

(b)

s(5) - s(2) = 250 - 40 = 210

This represents the distance travelled in 3 hours

(c)

The average rate of change is measured as

\frac{s(5)-s(2)}{5-2}

= \frac{250-40}{3}

= \frac{210}{3}

= 70 miles per hour

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